The regulatory requirements in maritime and offshore applications are defined by the standards IEC for maritime navigation and radio communication. IACS Unified Interpretations were created with a view to the uniform The Implementation dates of the Unified Requirements (UR) and Unified Interpretations (UI) are shown in the “Implementation Date” column of the tables. UR E10, Rev. 年7月15日 IACS UR E10 – CCS 关于执行UR E10 (Rev.5)-型式认可试验规程要求的通知.
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Materials and Welding Z: The outlines of technical resolutions adopted by IACS are available at the links shown below. Mobile Offshore Drilling Units E: Protection against cryogenic leakage and control of hazardous zones in fuel preparation rooms on open deck. Strength of Ships W: For equipment installed on the bridge and deck zone, the test levels shall be increased to 10V rms for spot frequencies in accordance with IEC at 2, 3, 4, 6.
Damp heat IEC Publication test Db – measurement of insulation resistance before test; – equipment operating during the complete first cycle and switched off during second cycle except for functional test; – functional test during the first 2 hours of the first cycle at the test temperature and during the last 2 hours of the second cycle at the test temperature; – recovery at standard atmosphere conditions; – insulation resistance measurements and performance test.
Sweep over a restricted frequency range between 0. Approval of consumables for welding normal and higher strength hull structural steels.
IACS Unified Requirement and Unified Interpretation | ClassNK – English
For severe vibration conditions such as, e. Selective disconnection or shutdown and equipment operable after an emergency shutdown. However, equivalent testing procedure may be accepted by the individual Society provided that the Unified Requirements stated in the other columns are fulfilled. Electrical and electronic equipment on board ships, required neither by classification rules nor by International Conventions, liable to cause eletromagnetic disturbance shall be of type which fulfill the test requirements of test specification items 19 and Recent revisions and changes have been underlined for easy reference.
Pipes and Pressure Vessels S: No degradation of performance or loss of function is allowed as defined in relevant equipment standard and the technical specification published by the manufacturer. According to level 2 severity standard Single pulse time: Notes to Test No. Mooring, Anchoring and Towing C: External surface area of the tank for determining sizing of pressure relief valve paragraph 8.
Relevant tests are as listed in the Table.
Shipboard fittings and supporting hull structures associated with towing and mooring on conventional ships. The period of testing in each position should be sufficient to fully evaluate the behaviour of the equipment.
Test criteria based upon application. Equipment to be mounted in consoles, housing etc. Critical frequency is a frequency at which iacx equipment being tested may exhibit: Control and maintenance of pressure and temperature of liquefied gas fuel tanks after the activation of the safety system.
UR E10 Rev6 CLN
During the test, degradation or loss of function or performance which is self recoverable is however allowed but no change of actual operating state or stored data is allowed. These inclination tests are normally not required for equipment with no moving parts. Electrostatic iacss IEC Contact discharge: The Equipment Under Test shall continue to operate as intended during and after the test.
More severe conditions may exist for ue on exhaust manifolds of diesel engines especially for medium and high speed engines.
The test in each direction is to be carried out for not less than 15 minutes. Texts of the IACS Unified Requirements and Unified Interpretations are made available on this page for the period of one year following the date of adoption.
UR E – Electricity
Salt mist test is to be carried out for equipment installed in weather exposed areas. Appropriate location of premixed engines using fuel gas mixed with air before the turbocharger. U the directions defined in a to d above, the equipment is to be rolled to an angle of Equipment is to be tested in its normal position if otherwise not specified in the test specification.
The EUT shall continue to operate as intended after the tests.
No degradation of performance or loss of function is allowed as defined in the technical specification published by the manufacturer.
Passenger Submersible Craft SC: Special consideration within the risk assessment of closed or semi-enclosed bunkering stations. Interval between each application: